taxes Property Tax Assistance

2023 Confidence Interval Detail

Tarrant County
220-919/Carroll ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 1,241,498,136 0.9943 1,248,615,243 53 1,820 0.008856140
A 2,380,579,261 0.9807 2,427,428,634 76 2,501 0.009927704
A 4,023,771,568 0.9722 4,138,831,072 125 3,206 0.016235247
A 5,302,643,073 0.9843 5,387,222,466 102 2,440 0.006999555
F1 453,830,174 0.9213 492,597,606 12 196 0.044982977
F1 477,124,827 0.8062 591,819,433 12 47 0.152487732
F1 509,163,171 0.7806 652,271,549 8 15 0.167523244
F1 549,155,465 0.8683 632,448,998 4 7 0.070304868
L1 82,875,925 1.0449 79,314,695 10 502 0.014988940
L1 100,671,760 1.0127 99,409,262 11 114 0.008712988
L1 105,458,969 0.9888 106,653,488 7 25 0.000436648
L1 82,742,324 1.0144 81,567,748 4 6 0.008877575
Random Totals: 15,309,514,653 15,938,180,194 424 10,879
CATG D1 EXCEPTION VALUES: 83,979 50,778
CATG J EXCEPTION VALUES: 657,020 680,209
Total Test Values 15,310,255,652 15,938,911,181

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 796,945,559

Confidence Interval Values(5)

Local Test Value: 15,310,255,652 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 15,141,965,622 (State Test Value minus Margin of Error Percent)
State Upper Limit: 16,735,856,740 (State Test Value plus Margin of Error Percent)

Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D2, E, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values